Cumulus Support

Hi Everyone:
Can some one explain to me what the F3, F4 etc. readings mean on the wind description or send me in the correct dirrection to read up on it.

Thank you in advance.

Jim Laursen

Meliat, MB Canada

http://en.wikipedia.org/wiki/Beaufort_scale
and
http://www.metoffice.gov.uk/media/pdf/b ... _No._6.pdf